Hand operated laboratory instrument



FIG. 1 is a perspective view from the front right of a hand operated laboratory instrument according to our design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top elevation view; and,

FIG. 7 is a bottom plan view. 

CLAIM The ornamental design for a hand operated laboratory instrument, as shown and described. 